Final answer:
To calculate the perimeter of a geometric figure, add all the side lengths. The area of a rectangle is found by multiplying its length by its width. Distance is calculated by multiplying the rate (speed) by the time elapsed.
Step-by-step explanation:
Perimeter and Area Calculations
The formula for calculating the perimeter of a geometric figure involves adding together all the lengths of the sides of the figure. For example, for a square with side length a, the perimeter would be 4a. The units of the perimeter are in linear dimensions such as meters or feet.
Area of a Rectangle
To calculate the area of a rectangle, you multiply the length (l) by the width (w). The formula is represented as A = l * w. Here, A stands for the area, l is the length of the rectangle, and w is the width, both typically in units such as square meters or square feet.
Calculating Distance
Distance can be calculated using the formula D = r * t, where D represents distance, r is the rate (or speed), and t is the time. The speed is typically given in units per time, such as meters per second, and time is given in units of time like seconds, so the result will be in linear units, such as meters.